Alright, let's solve this math problem step by step. First, we have the number 73. Next, we see the multiplication sign, which means we need to multiply something. And what are we multiplying it by? We multiply it by 291. So, we're going to take the number 73 and add it to itself 291 times.
Step 1: 0 + 73 = 73
Step 2: 73 + 73 = 146
Step 3: 146 + 73 = 219
Step 4: 219 + 73 = 292
Step 5: 292 + 73 = 365
Step 6: 365 + 73 = 438
Step 7: 438 + 73 = 511
Step 8: 511 + 73 = 584
Step 9: 584 + 73 = 657
Step 10: 657 + 73 = 730
Step 11: 730 + 73 = 803
Step 12: 803 + 73 = 876
Step 13: 876 + 73 = 949
Step 14: 949 + 73 = 1022
Step 15: 1022 + 73 = 1095
Step 16: 1095 + 73 = 1168
Step 17: 1168 + 73 = 1241
Step 18: 1241 + 73 = 1314
Step 19: 1314 + 73 = 1387
Step 20: 1387 + 73 = 1460
Step 21: 1460 + 73 = 1533
Step 22: 1533 + 73 = 1606
Step 23: 1606 + 73 = 1679
Step 24: 1679 + 73 = 1752
Step 25: 1752 + 73 = 1825
Step 26: 1825 + 73 = 1898
Step 27: 1898 + 73 = 1971
Step 28: 1971 + 73 = 2044
Step 29: 2044 + 73 = 2117
Step 30: 2117 + 73 = 2190
Step 31: 2190 + 73 = 2263
Step 32: 2263 + 73 = 2336
Step 33: 2336 + 73 = 2409
Step 34: 2409 + 73 = 2482
Step 35: 2482 + 73 = 2555
Step 36: 2555 + 73 = 2628
Step 37: 2628 + 73 = 2701
Step 38: 2701 + 73 = 2774
Step 39: 2774 + 73 = 2847
Step 40: 2847 + 73 = 2920
Step 41: 2920 + 73 = 2993
Step 42: 2993 + 73 = 3066
Step 43: 3066 + 73 = 3139
Step 44: 3139 + 73 = 3212
Step 45: 3212 + 73 = 3285
Step 46: 3285 + 73 = 3358
Step 47: 3358 + 73 = 3431
Step 48: 3431 + 73 = 3504
Step 49: 3504 + 73 = 3577
Step 50: 3577 + 73 = 3650
Step 51: 3650 + 73 = 3723
Step 52: 3723 + 73 = 3796
Step 53: 3796 + 73 = 3869
Step 54: 3869 + 73 = 3942
Step 55: 3942 + 73 = 4015
Step 56: 4015 + 73 = 4088
Step 57: 4088 + 73 = 4161
Step 58: 4161 + 73 = 4234
Step 59: 4234 + 73 = 4307
Step 60: 4307 + 73 = 4380
Step 61: 4380 + 73 = 4453
Step 62: 4453 + 73 = 4526
Step 63: 4526 + 73 = 4599
Step 64: 4599 + 73 = 4672
Step 65: 4672 + 73 = 4745
Step 66: 4745 + 73 = 4818
Step 67: 4818 + 73 = 4891
Step 68: 4891 + 73 = 4964
Step 69: 4964 + 73 = 5037
Step 70: 5037 + 73 = 5110
Step 71: 5110 + 73 = 5183
Step 72: 5183 + 73 = 5256
Step 73: 5256 + 73 = 5329
Step 74: 5329 + 73 = 5402
Step 75: 5402 + 73 = 5475
Step 76: 5475 + 73 = 5548
Step 77: 5548 + 73 = 5621
Step 78: 5621 + 73 = 5694
Step 79: 5694 + 73 = 5767
Step 80: 5767 + 73 = 5840
Step 81: 5840 + 73 = 5913
Step 82: 5913 + 73 = 5986
Step 83: 5986 + 73 = 6059
Step 84: 6059 + 73 = 6132
Step 85: 6132 + 73 = 6205
Step 86: 6205 + 73 = 6278
Step 87: 6278 + 73 = 6351
Step 88: 6351 + 73 = 6424
Step 89: 6424 + 73 = 6497
Step 90: 6497 + 73 = 6570
Step 91: 6570 + 73 = 6643
Step 92: 6643 + 73 = 6716
Step 93: 6716 + 73 = 6789
Step 94: 6789 + 73 = 6862
Step 95: 6862 + 73 = 6935
Step 96: 6935 + 73 = 7008
Step 97: 7008 + 73 = 7081
Step 98: 7081 + 73 = 7154
Step 99: 7154 + 73 = 7227
Step 100: 7227 + 73 = 7300
Step 101: 7300 + 73 = 7373
Step 102: 7373 + 73 = 7446
Step 103: 7446 + 73 = 7519
Step 104: 7519 + 73 = 7592
Step 105: 7592 + 73 = 7665
Step 106: 7665 + 73 = 7738
Step 107: 7738 + 73 = 7811
Step 108: 7811 + 73 = 7884
Step 109: 7884 + 73 = 7957
Step 110: 7957 + 73 = 8030
Step 111: 8030 + 73 = 8103
Step 112: 8103 + 73 = 8176
Step 113: 8176 + 73 = 8249
Step 114: 8249 + 73 = 8322
Step 115: 8322 + 73 = 8395
Step 116: 8395 + 73 = 8468
Step 117: 8468 + 73 = 8541
Step 118: 8541 + 73 = 8614
Step 119: 8614 + 73 = 8687
Step 120: 8687 + 73 = 8760
Step 121: 8760 + 73 = 8833
Step 122: 8833 + 73 = 8906
Step 123: 8906 + 73 = 8979
Step 124: 8979 + 73 = 9052
Step 125: 9052 + 73 = 9125
Step 126: 9125 + 73 = 9198
Step 127: 9198 + 73 = 9271
Step 128: 9271 + 73 = 9344
Step 129: 9344 + 73 = 9417
Step 130: 9417 + 73 = 9490
Step 131: 9490 + 73 = 9563
Step 132: 9563 + 73 = 9636
Step 133: 9636 + 73 = 9709
Step 134: 9709 + 73 = 9782
Step 135: 9782 + 73 = 9855
Step 136: 9855 + 73 = 9928
Step 137: 9928 + 73 = 10001
Step 138: 10001 + 73 = 10074
Step 139: 10074 + 73 = 10147
Step 140: 10147 + 73 = 10220
Step 141: 10220 + 73 = 10293
Step 142: 10293 + 73 = 10366
Step 143: 10366 + 73 = 10439
Step 144: 10439 + 73 = 10512
Step 145: 10512 + 73 = 10585
Step 146: 10585 + 73 = 10658
Step 147: 10658 + 73 = 10731
Step 148: 10731 + 73 = 10804
Step 149: 10804 + 73 = 10877
Step 150: 10877 + 73 = 10950
Step 151: 10950 + 73 = 11023
Step 152: 11023 + 73 = 11096
Step 153: 11096 + 73 = 11169
Step 154: 11169 + 73 = 11242
Step 155: 11242 + 73 = 11315
Step 156: 11315 + 73 = 11388
Step 157: 11388 + 73 = 11461
Step 158: 11461 + 73 = 11534
Step 159: 11534 + 73 = 11607
Step 160: 11607 + 73 = 11680
Step 161: 11680 + 73 = 11753
Step 162: 11753 + 73 = 11826
Step 163: 11826 + 73 = 11899
Step 164: 11899 + 73 = 11972
Step 165: 11972 + 73 = 12045
Step 166: 12045 + 73 = 12118
Step 167: 12118 + 73 = 12191
Step 168: 12191 + 73 = 12264
Step 169: 12264 + 73 = 12337
Step 170: 12337 + 73 = 12410
Step 171: 12410 + 73 = 12483
Step 172: 12483 + 73 = 12556
Step 173: 12556 + 73 = 12629
Step 174: 12629 + 73 = 12702
Step 175: 12702 + 73 = 12775
Step 176: 12775 + 73 = 12848
Step 177: 12848 + 73 = 12921
Step 178: 12921 + 73 = 12994
Step 179: 12994 + 73 = 13067
Step 180: 13067 + 73 = 13140
Step 181: 13140 + 73 = 13213
Step 182: 13213 + 73 = 13286
Step 183: 13286 + 73 = 13359
Step 184: 13359 + 73 = 13432
Step 185: 13432 + 73 = 13505
Step 186: 13505 + 73 = 13578
Step 187: 13578 + 73 = 13651
Step 188: 13651 + 73 = 13724
Step 189: 13724 + 73 = 13797
Step 190: 13797 + 73 = 13870
Step 191: 13870 + 73 = 13943
Step 192: 13943 + 73 = 14016
Step 193: 14016 + 73 = 14089
Step 194: 14089 + 73 = 14162
Step 195: 14162 + 73 = 14235
Step 196: 14235 + 73 = 14308
Step 197: 14308 + 73 = 14381
Step 198: 14381 + 73 = 14454
Step 199: 14454 + 73 = 14527
Step 200: 14527 + 73 = 14600
Step 201: 14600 + 73 = 14673
Step 202: 14673 + 73 = 14746
Step 203: 14746 + 73 = 14819
Step 204: 14819 + 73 = 14892
Step 205: 14892 + 73 = 14965
Step 206: 14965 + 73 = 15038
Step 207: 15038 + 73 = 15111
Step 208: 15111 + 73 = 15184
Step 209: 15184 + 73 = 15257
Step 210: 15257 + 73 = 15330
Step 211: 15330 + 73 = 15403
Step 212: 15403 + 73 = 15476
Step 213: 15476 + 73 = 15549
Step 214: 15549 + 73 = 15622
Step 215: 15622 + 73 = 15695
Step 216: 15695 + 73 = 15768
Step 217: 15768 + 73 = 15841
Step 218: 15841 + 73 = 15914
Step 219: 15914 + 73 = 15987
Step 220: 15987 + 73 = 16060
Step 221: 16060 + 73 = 16133
Step 222: 16133 + 73 = 16206
Step 223: 16206 + 73 = 16279
Step 224: 16279 + 73 = 16352
Step 225: 16352 + 73 = 16425
Step 226: 16425 + 73 = 16498
Step 227: 16498 + 73 = 16571
Step 228: 16571 + 73 = 16644
Step 229: 16644 + 73 = 16717
Step 230: 16717 + 73 = 16790
Step 231: 16790 + 73 = 16863
Step 232: 16863 + 73 = 16936
Step 233: 16936 + 73 = 17009
Step 234: 17009 + 73 = 17082
Step 235: 17082 + 73 = 17155
Step 236: 17155 + 73 = 17228
Step 237: 17228 + 73 = 17301
Step 238: 17301 + 73 = 17374
Step 239: 17374 + 73 = 17447
Step 240: 17447 + 73 = 17520
Step 241: 17520 + 73 = 17593
Step 242: 17593 + 73 = 17666
Step 243: 17666 + 73 = 17739
Step 244: 17739 + 73 = 17812
Step 245: 17812 + 73 = 17885
Step 246: 17885 + 73 = 17958
Step 247: 17958 + 73 = 18031
Step 248: 18031 + 73 = 18104
Step 249: 18104 + 73 = 18177
Step 250: 18177 + 73 = 18250
Step 251: 18250 + 73 = 18323
Step 252: 18323 + 73 = 18396
Step 253: 18396 + 73 = 18469
Step 254: 18469 + 73 = 18542
Step 255: 18542 + 73 = 18615
Step 256: 18615 + 73 = 18688
Step 257: 18688 + 73 = 18761
Step 258: 18761 + 73 = 18834
Step 259: 18834 + 73 = 18907
Step 260: 18907 + 73 = 18980
Step 261: 18980 + 73 = 19053
Step 262: 19053 + 73 = 19126
Step 263: 19126 + 73 = 19199
Step 264: 19199 + 73 = 19272
Step 265: 19272 + 73 = 19345
Step 266: 19345 + 73 = 19418
Step 267: 19418 + 73 = 19491
Step 268: 19491 + 73 = 19564
Step 269: 19564 + 73 = 19637
Step 270: 19637 + 73 = 19710
Step 271: 19710 + 73 = 19783
Step 272: 19783 + 73 = 19856
Step 273: 19856 + 73 = 19929
Step 274: 19929 + 73 = 20002
Step 275: 20002 + 73 = 20075
Step 276: 20075 + 73 = 20148
Step 277: 20148 + 73 = 20221
Step 278: 20221 + 73 = 20294
Step 279: 20294 + 73 = 20367
Step 280: 20367 + 73 = 20440
Step 281: 20440 + 73 = 20513
Step 282: 20513 + 73 = 20586
Step 283: 20586 + 73 = 20659
Step 284: 20659 + 73 = 20732
Step 285: 20732 + 73 = 20805
Step 286: 20805 + 73 = 20878
Step 287: 20878 + 73 = 20951
Step 288: 20951 + 73 = 21024
Step 289: 21024 + 73 = 21097
Step 290: 21097 + 73 = 21170
Step 291: 21170 + 73 = 21243

So, 73*291 = 21243